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baiyongchen
baiyongchen
Associate
December 28, 2013
Question

TIMx External trigger

  • December 28, 2013
  • 1 reply
  • 640 views
Posted on December 28, 2013 at 15:22

what is the difference betwee TIM2_CH1_ETR and TIM2_ETR? I'v only found TIM2 has the TIM2_CH1_ETR, all other TIMs, such as TIM1, TIM3, TIM8, only have TIMx_ETR.

I'v also found the problem that only TIM2 can be triggered by TI1F_ED. But in reference manual we can see TIM1/TIM8, TIM2~TIM5 all can be triggered by ETR. Could someone tell me why?

 
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    1 reply

    Tesla DeLorean
    Tesla DeLorean
    Guru
    December 28, 2013
    Posted on December 28, 2013 at 17:10

    In that case CH1 and ETR share a common pin

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